Just over $17,000 worth of fentanyl was seized by police when Saugeen Shores were called about a suspicious vehicle in the parking lot of the rail trail on Concession 6.
Police found two people in the vehicle just before 10 a.m. on Thursday morning.
A male and a female were arrested.
Other drugs seized included methamphetamine, Oxycodone and cocaine along with cash.
A 36-year old Georgina Bluffs man and 28-year old Tiverton woman both face multiple charges.
Names haven't been released.